Cup features
Name one cup feature that helps keep a drink cold.
Multiple walls and lid
What happened to the temperature of our hot water after 10 minutes?
The temperature decreased
What is the process of going from a liquid to a gas?
Evaporation
Explain how a lid can help keep a drink cold.
It closes the system off a little so the heat is not able to escape.
What happened to the mass of our two cups after 10 minutes?
The mass decreased
What is the process of going from a gas to a liquid?
Condensation
Which cup did the best at keeping the drink cold?
The fancy cup with a lid and straw
True or False: The droplets on the outside of the cup were blue
False
What happened to the mass to show that the droplets were coming from somewhere else?
The mass increased
What is the last step of the procedure to figure out if our cup lost mass?
Find the difference between the starting and ending mass
Why does the water not leak out of the side of the cup?
The solid particles are too packed together so the liquid particles cannot get by.
Which cup lost more mass and why?
The cup without the lid because it is a more open system so the water could evaporate and leave the cup
Where do the droplets on the outside of the cup come from?
They come from water vapor in the air that then comes into contact with the cup. It cools down and condenses into the droplets.